CLEANSTART-2026-KC53993 When adding a key to a remote agent constraint extensions such as restrict-destination-v00@openssh

CVE-2026-39832 affects multiple packages. When adding a key to a remote agent constraint extensions such as restrict-destination-v00@openssh. See references for individual vulnerability details...

AlmaLinux 9.2 [TuxCare] Security Update: podman / podman-docker / podman-gvproxy / podman-plugins / etc (ALMALINUX9.2:CLSA-2026:1784308178)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1784308178 advisory. - When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request...

AlmaLinux 9.6 [TuxCare] Security Update: podman / podman-docker / podman-plugins / podman-remote / etc (ALMALINUX9.6:CLSA-2026:1784133840)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784133840 advisory. - When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request...

Rocky Linux 9.6 [TuxCare] Security Update: podman / podman-docker / podman-plugins / podman-remote / etc (ALMALINUX9.6:CLSA-2026:1784133840)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784133840 advisory. - When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request...

golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions

A flaw was found in golang.org/x/crypto/ssh/agent. When a key was added to a remote agent, security restrictions, known as constraint extensions, were not properly processed during the request. This allowed these restrictions to be silently removed when keys were forwarded, leading to the...

golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions

A flaw was found in golang.org/x/crypto/ssh/agent. When a key was added to a remote agent, security restrictions, known as constraint extensions, were not properly processed during the request. This allowed these restrictions to be silently removed when keys were forwarded, leading to the...

golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions

A flaw was found in golang.org/x/crypto/ssh/agent. When a key was added to a remote agent, security restrictions, known as constraint extensions, were not properly processed during the request. This allowed these restrictions to be silently removed when keys were forwarded, leading to the...

golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions

A flaw was found in golang.org/x/crypto/ssh/agent. When a key was added to a remote agent, security restrictions, known as constraint extensions, were not properly processed during the request. This allowed these restrictions to be silently removed when keys were forwarded, leading to the...

golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions

A flaw was found in golang.org/x/crypto/ssh/agent. When a key was added to a remote agent, security restrictions, known as constraint extensions, were not properly processed during the request. This allowed these restrictions to be silently removed when keys were forwarded, leading to the...

golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions

A flaw was found in golang.org/x/crypto/ssh/agent. When a key was added to a remote agent, security restrictions, known as constraint extensions, were not properly processed during the request. This allowed these restrictions to be silently removed when keys were forwarded, leading to the...

golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions

A flaw was found in golang.org/x/crypto/ssh/agent. When a key was added to a remote agent, security restrictions, known as constraint extensions, were not properly processed during the request. This allowed these restrictions to be silently removed when keys were forwarded, leading to the...

EUVD-2026-31390

golang.org/x/crypto/ssh/agent doesn't drop invoking agent constraints when forwarding keys...

golang.org/x/crypto doesn't drop invoking agent constraints when forwarding keys

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

USN-8447-1 golang-go.crypto vulnerabilities

It was discovered that Go Cryptography did not properly handle SSH global request responses. A remote attacker could possibly use this issue to cause a denial of service. CVE-2026-39830 It was discovered that Go Cryptography did not properly verify user presence when using FIDO/U2F security keys...

Important: runfinch-finch

Issue Overview: An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state a...

CVE-2026-39832

A flaw was found in golang.org/x/crypto/ssh/agent. When a key was added to a remote agent, security restrictions, known as constraint extensions, were not properly processed during the request. This allowed these restrictions to be silently removed when keys were forwarded, leading to the...

Linux Distros Unpatched Vulnerability : CVE-2026-39832

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination...

SUSE CVE-2026-39832

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

AZL-87717 CVE-2026-39832 affecting package docker-compose for versions less than 2.27.0-11

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

AZL-87200 CVE-2026-39832 affecting package buildah 1.43.1-3

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...